Colin Kaepernick (No. 7) and 49ers teammates take a knee during the national anthem. The steady decline in NFL television ratings has been the biggest story of the football season, and arguably the biggest sports-business story of 2016. What is clear is that interest in watching primetime NFL games has waned, but what remains unclear are the exact causes, and which causes have had the largest impact.

As the New York Jets grind toward the end of what will be a losing season, they will do so without one of their stalwarts: the team placed veteran center Nick Mangold on injured reserve on Thursday. NFL Network’s Ian Rapoport tweeted early Thursday that Mangold was headed to get a second opinion from Dr. Robert Anderson in North Carolina, and Dr. Anderson’s diagnosis must have led to the decision to shut Mangold down for the season. Season over: The Jets placed center Nick Mangold on injured reserve Thursday.

Baltimore Ravens receiver Steve Smith came to his news conference Wednesday in a Yoda onesie. Smith is getting everything he can out of his final (right?) NFL season. Steve Smith Sr. In Yoda costume as he addresses media.